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3 years ago

I don't really understand slope intercept form and i have to figure the equation out.

Mathematics

2 answers:

klio [65]3 years ago

7 0

Y=mx+b that's the equation

Angelina_Jolie [31]3 years ago

4 0

Answer: 12. (4,3) always go up if positive or down if neg. Then right or left.

Step-by-step explanation:

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Please help!!!!!!!!!!!!!?

MariettaO [177]

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2 years ago

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It took Ruby 23 minutes to make meatballs and 29 minutes to make tomato sauce. How much time did it take Ruby to make meatballs

____ [38]

Answer:

52 minutes unless she was multi-tasking then it took her 29 mins to do all

Step-by-step explanation:

52 minutes

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3 years ago

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Solve x2 – 7x = –13.

aleksklad [387]

we have

$x^{2} -7x=-13$

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} -7x+3.5^{2}=-13+3.5^{2}$

$x^{2} -7x+12.25=-13+12.25$

$x^{2} -7x+12.25=-0.75$

Rewrite as perfect squares

$(x-3.5)^{2}=-0.75$

remember that

$i=\sqrt{-1}$

Square root both sides

$(x-3.5)=(+/-)\sqrt{-0.75}$

$(x-3.5)=(+/-)\sqrt{-1*0.75}$

$(x-3.5)=(+/-)\sqrt{0.75}i$

$x1=3.5+\sqrt{0.75}i$

$x2=3.5-\sqrt{0.75}i$

Simplify

$\sqrt{0.75}=\frac{\sqrt{3}}{2}$

$x1=3.5+\frac{\sqrt{3}}{2}i$

$x2=3.5-\frac{\sqrt{3}}{2}i$

therefore

<u>the answer is</u>

$x1=3.5+\frac{\sqrt{3}}{2}i$

$x2=3.5-\frac{\sqrt{3}}{2}i$

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2 years ago

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What is the total cost of buying several shirts at 24.95 each

sammy [17]

It depends how many T-shirt’s your purchasing at the price I did the math from 1 shirt to 6 shirts costs..hope this helps

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3 years ago

What is - (-3) equal to

zhannawk [14.2K]

Answer:

Step-by-step explanation:

two negatives equals positive

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2 years ago

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